EPA Method 515.3 - Underivatized acids

2-Methylindole, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 95-20-5

3,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-78-5

2,3,4,5-Tetrachlorophenol acetate, 10.0 µg/ml, Is